fell through的音標是[felθ e??v]，基本翻譯是“失敗；落空；垮掉”，速記技巧是“fell”表示掉落，“thru”表示貫穿。

fell through 的英文詞源為：

1. fell：源自中古英語詞匯flatel，表示“突然的，猛烈的”。

2. through：源自古英語詞匯ghrō，表示“穿過，貫穿”。

fell through 的意思是“失敗，落空”。其變化形式為 fell-（fell-）變為-fail-（fail-），表示“失敗”的含義。

相關單詞有：

1. failure：失敗，失敗者。

2. unsuccessful：不成功的，失敗的。

3. dishearten：使沮喪，使失望。

4. discourage：使泄氣，使灰心。

5. dismay：驚愕，失望。

6. dashed：破滅的，失望的。

7. dashed hope：破滅的希望。

8. dashed expectation：失望的期望。

9. fall flat：完全失敗，毫無反應。

10. flop：失敗，不成功。

以上單詞都與fell through 的含義和用法密切相關，體現了英語單詞之間的聯系和演變過程。

常用短語：

1. fell through the cracks

2. fell through the net

3. fell through with

4. fell through on

5. fell through with someone

6. fell through on a deal

7. fell through due to

例句：

1. My plan to travel to Europe fell through because of the pandemic.

2. I tried to make a new friend, but it fell through when we couldn"t keep up with each other"s schedules.

3. I invested in a new business, but it fell through due to financial difficulties.

4. We were supposed to meet for lunch, but she fell through at the last minute.

5. The job offer fell through after I accepted it.

6. We had a great opportunity to collaborate, but it fell through because of differences in opinion.

7. The deal fell through because the buyer couldn"t come up with the money on time.

英文小作文：

I always wanted to try skydiving, but every time I thought I was ready, something would fall through and I would end up feeling disappointed and frustrated. However, this time I was determined to make it happen. I booked my flight, packed my gear, and waited for the day to arrive. But then, just a few hours before the jump, I received a call that my plane had been canceled due to bad weather. It was another disappointment, but I realized that sometimes things don"t always go as planned and we have to be prepared for the unexpected. Although it was a setback, I"m still looking forward to trying skydiving someday and hope that my next attempt will go smoothly.